Racket Sport With a Luminous Green-Yellow Ball

This page is the CodyCross answer for the clue below from Underground Worlds, Group 2163, Puzzle 1 (Lascaux Paintings).

Question is: Racket Sport With a Luminous Green-Yellow Ball

and the answer is: TENNIS

Word Meaning:

TENNIS — (sports) A sport played by two players (or four in doubles), who alternately strike the ball over a net using racquets.

Definitions from Wiktionary.

Racket Sport With A Luminous Green-yellow Ball - Underground Worlds CodyCross Answers | CodyCross Solutions